620977920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 288

約数和(自身を含む): 2119219200

約数和(自身を除く): 1498241280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 79, 80, 89, 92, 96, 115, 120, 128, 138, 158, 160, 178, 184, 192, 230, 237, 240, 256, 267, 276, 316, 320, 345, 356, 368, 384, 395, 445, 460, 474, 480, 534, 552, 632, 640, 690, 712, 736, 768, 790, 890, 920, 948, 960, 1068, 1104, 1185, 1264, 1280, 1335, 1380, 1424, 1472, 1580, 1780, 1817, 1840, 1896, 1920, 2047, 2136, 2208, 2370, 2528, 2670, 2760, 2848, 2944, 3160, 3560, 3634, 3680, 3792, 3840, 4094, 4272, 4416, 4740, 5056, 5340, 5451, 5520, 5696, 5888, 6141, 6320, 7031, 7120, 7268, 7360, 7584, 8188, 8544, 8832, 9085, 9480, 10112, 10235, 10680, 10902, 11040, 11392, 12282, 12640, 14062, 14240, 14536, 14720, 15168, 16376, 17088, 17664, 18170, 18960, 20224, 20470, 21093, 21360, 21804, 22080, 22784, 24564, 25280, 27255, 28124, 28480, 29072, 29440, 30336, 30705, 32752, 34176, 35155, 36340, 37920, 40940, 42186, 42720, 43608, 44160, 49128, 50560, 54510, 56248, 56960, 58144, 60672, 61410, 65504, 68352, 70310, 72680, 75840, 81880, 84372, 85440, 87216, 88320, 98256, 101120, 105465, 109020, 112496, 113920, 116288, 122820, 131008, 140620, 145360, 151680, 161713, 163760, 168744, 170880, 174432, 196512, 210930, 218040, 224992, 232576, 245640, 262016, 281240, 290720, 303360, 323426, 327520, 337488, 341760, 348864, 393024, 421860, 436080, 449984, 465152, 485139, 491280, 524032, 562480, 581440, 646852, 655040, 674976, 697728, 786048, 808565, 843720, 872160, 899968, 970278, 982560, 1124960, 1162880, 1293704, 1310080, 1349952, 1395456, 1572096, 1617130, 1687440, 1744320, 1799936, 1940556, 1965120, 2249920, 2325760, 2425695, 2587408, 2620160, 2699904, 3234260, 3374880, 3488640, 3881112, 3930240, 4499840, 4851390, 5174816, 5399808, 6468520, 6749760, 6977280, 7762224, 7860480, 8999680, 9702780, 10349632, 12937040, 13499520, 15524448, 19405560, 20699264, 25874080, 26999040, 31048896, 38811120, 41398528, 51748160, 62097792, 77622240, 103496320, 124195584, 155244480, 206992640, 310488960, 620977920]

約数ペア:

[(1, 620977920), (2, 310488960), (3, 206992640), (4, 155244480), (5, 124195584), (6, 103496320), (8, 77622240), (10, 62097792), (12, 51748160), (15, 41398528), (16, 38811120), (20, 31048896), (23, 26999040), (24, 25874080), (30, 20699264), (32, 19405560), (40, 15524448), (46, 13499520), (48, 12937040), (60, 10349632), (64, 9702780), (69, 8999680), (79, 7860480), (80, 7762224), (89, 6977280), (92, 6749760), (96, 6468520), (115, 5399808), (120, 5174816), (128, 4851390), (138, 4499840), (158, 3930240), (160, 3881112), (178, 3488640), (184, 3374880), (192, 3234260), (230, 2699904), (237, 2620160), (240, 2587408), (256, 2425695), (267, 2325760), (276, 2249920), (316, 1965120), (320, 1940556), (345, 1799936), (356, 1744320), (368, 1687440), (384, 1617130), (395, 1572096), (445, 1395456), (460, 1349952), (474, 1310080), (480, 1293704), (534, 1162880), (552, 1124960), (632, 982560), (640, 970278), (690, 899968), (712, 872160), (736, 843720), (768, 808565), (790, 786048), (890, 697728), (920, 674976), (948, 655040), (960, 646852), (1068, 581440), (1104, 562480), (1185, 524032), (1264, 491280), (1280, 485139), (1335, 465152), (1380, 449984), (1424, 436080), (1472, 421860), (1580, 393024), (1780, 348864), (1817, 341760), (1840, 337488), (1896, 327520), (1920, 323426), (2047, 303360), (2136, 290720), (2208, 281240), (2370, 262016), (2528, 245640), (2670, 232576), (2760, 224992), (2848, 218040), (2944, 210930), (3160, 196512), (3560, 174432), (3634, 170880), (3680, 168744), (3792, 163760), (3840, 161713), (4094, 151680), (4272, 145360), (4416, 140620), (4740, 131008), (5056, 122820), (5340, 116288), (5451, 113920), (5520, 112496), (5696, 109020), (5888, 105465), (6141, 101120), (6320, 98256), (7031, 88320), (7120, 87216), (7268, 85440), (7360, 84372), (7584, 81880), (8188, 75840), (8544, 72680), (8832, 70310), (9085, 68352), (9480, 65504), (10112, 61410), (10235, 60672), (10680, 58144), (10902, 56960), (11040, 56248), (11392, 54510), (12282, 50560), (12640, 49128), (14062, 44160), (14240, 43608), (14536, 42720), (14720, 42186), (15168, 40940), (16376, 37920), (17088, 36340), (17664, 35155), (18170, 34176), (18960, 32752), (20224, 30705), (20470, 30336), (21093, 29440), (21360, 29072), (21804, 28480), (22080, 28124), (22784, 27255), (24564, 25280)]